#VU121310 Race condition within a thread in Linux kernel - CVE-2025-68809
Published: January 13, 2026
Vulnerability identifier: #VU121310
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-68809
CWE-ID: CWE-366
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the ksmbd_query_inode_status() and __ksmbd_inode_close() functions in fs/smb/server/vfs_cache.c. A local user can corrupt data.
Remediation
Install update from vendor's repository.